:root {
  --navy: #071a2f;
  --navy-2: #0d2b4b;
  --blue: #2e9fe6;
  --cyan: #8fd7ff;
  --ice: #eaf7ff;
  --steel: #6f8195;
  --line: #d7e4ee;
  --paper: #f4f8fb;
  --white: #ffffff;
  --ink: #102033;
  --shadow: 0 24px 68px rgba(7, 26, 47, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}

a {
  color: inherit;
  text-decoration: none;
}

img,
svg {
  display: block;
  max-width: 100%;
}

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  color: var(--white);
  background: linear-gradient(180deg, rgba(7, 26, 47, 0.92), rgba(7, 26, 47, 0.68));
  border-bottom: 1px solid rgba(143, 215, 255, 0.22);
  backdrop-filter: blur(14px);
}

.header__inner {
  display: flex;
  min-height: 82px;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
}

.brand img {
  width: 306px;
  height: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: #d6e8f5;
  font-weight: 700;
}

.nav a {
  padding: 8px 0;
}

.nav a:hover {
  color: var(--cyan);
}

.nav__contact {
  min-height: 42px;
  padding: 10px 14px;
  border: 1px solid rgba(143, 215, 255, 0.45);
  border-radius: 4px;
}

.hero {
  position: relative;
  min-height: 760px;
  color: var(--white);
  background: var(--navy);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 26, 47, 0.92) 0%, rgba(7, 26, 47, 0.72) 37%, rgba(7, 26, 47, 0.12) 72%),
    url("hero-building.png") center / cover no-repeat;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 180px;
  background: linear-gradient(0deg, var(--paper), rgba(244, 248, 251, 0));
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 760px;
  align-items: center;
  padding: 132px 0 92px;
}

.hero__content {
  max-width: 680px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 36px;
  height: 2px;
  background: var(--cyan);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 24px;
  font-size: clamp(40px, 5vw, 68px);
  line-height: 1.04;
  letter-spacing: 0;
}

.hero__lead {
  max-width: 620px;
  margin-bottom: 30px;
  color: #d8e8f5;
  font-size: 20px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border: 1px solid var(--cyan);
  border-radius: 4px;
  background: var(--cyan);
  color: var(--navy);
  font-weight: 800;
  transition: transform 0.2s ease, background 0.2s ease, border 0.2s ease;
}

.button:hover {
  background: var(--ice);
  border-color: var(--ice);
  transform: translateY(-1px);
}

.button--ghost {
  background: transparent;
  color: var(--white);
}

.button--ghost:hover {
  background: rgba(143, 215, 255, 0.12);
  color: var(--white);
}

.hero__metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 46px;
  max-width: 760px;
}

.metric {
  padding: 18px;
  border: 1px solid rgba(143, 215, 255, 0.26);
  border-radius: 8px;
  background: rgba(7, 26, 47, 0.48);
}

.metric strong {
  display: block;
  margin-bottom: 4px;
  color: var(--cyan);
  font-size: 28px;
}

.metric span {
  color: #d5e5f1;
  font-size: 14px;
}

.section {
  padding: 86px 0;
}

.section--white {
  background: var(--white);
}

.section__head {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.54fr);
  gap: 34px;
  align-items: end;
  margin-bottom: 34px;
}

.section__head h2 {
  margin-bottom: 0;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.12;
}

.section__head p {
  margin-bottom: 0;
  color: var(--steel);
}

.scope {
  display: grid;
  grid-template-columns: 1.25fr 0.88fr 0.88fr;
  gap: 18px;
}

.scope-card {
  min-height: 260px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 34px rgba(7, 26, 47, 0.06);
}

.scope-card:first-child {
  color: var(--white);
  background: var(--navy);
}

.scope-card:first-child p {
  color: #d9e7f2;
}

.scope-card__mark {
  display: inline-flex;
  margin-bottom: 42px;
  color: var(--blue);
  font-size: 36px;
  font-weight: 900;
  line-height: 1;
}

.scope-card:first-child .scope-card__mark {
  color: var(--cyan);
}

.scope-card h3 {
  margin-bottom: 10px;
  font-size: 22px;
}

.scope-card p {
  margin-bottom: 0;
  color: var(--steel);
}

.deliverables {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--white);
}

.deliverable {
  min-height: 220px;
  padding: 24px;
  border-right: 1px solid var(--line);
}

.deliverable:last-child {
  border-right: 0;
}

.deliverable span {
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  margin-bottom: 34px;
  border-radius: 4px;
  background: var(--ice);
  color: var(--blue);
  font-weight: 900;
}

.deliverable h3 {
  margin-bottom: 8px;
  font-size: 19px;
}

.deliverable p {
  margin-bottom: 0;
  color: var(--steel);
  font-size: 15px;
}

.process {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(340px, 1.16fr);
  gap: 30px;
  align-items: start;
}

.process__panel {
  padding: 34px;
  border-radius: 8px;
  color: var(--white);
  background: linear-gradient(145deg, var(--navy), var(--navy-2));
}

.process__panel p {
  color: #d8e7f2;
}

.process__list {
  display: grid;
  gap: 14px;
}

.process__item {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 18px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.process__item strong {
  display: inline-flex;
  height: 54px;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  background: var(--navy);
  color: var(--cyan);
}

.process__item h3 {
  margin-bottom: 6px;
  font-size: 19px;
}

.process__item p {
  margin-bottom: 0;
  color: var(--steel);
}

.contacts {
  color: var(--white);
  background: var(--navy);
}

.contacts__inner {
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(360px, 1.02fr);
  gap: 34px;
  align-items: center;
  padding: 74px 0;
}

.contacts h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.12;
}

.contacts p {
  color: #d8e7f2;
}

.contact-grid {
  display: grid;
  gap: 14px;
}

.contact-card {
  padding: 22px;
  border: 1px solid rgba(143, 215, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.contact-card span {
  display: block;
  margin-bottom: 5px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.contact-card strong {
  color: var(--white);
  font-size: 20px;
}

.footer {
  background: #04101f;
  color: #d8e7f2;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 32px 0;
}

.footer img {
  width: 258px;
}

.footer small {
  color: #91a5b7;
}

@media (max-width: 980px) {
  .header {
    position: sticky;
  }

  .header__inner,
  .footer__inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
    flex-wrap: wrap;
  }

  .hero,
  .hero__inner {
    min-height: auto;
  }

  .hero::before {
    background:
      linear-gradient(90deg, rgba(7, 26, 47, 0.95), rgba(7, 26, 47, 0.64)),
      url("hero-building.png") center / cover no-repeat;
  }

  .hero__inner {
    padding: 88px 0 72px;
  }

  .section__head,
  .process,
  .contacts__inner {
    grid-template-columns: 1fr;
  }

  .scope,
  .deliverables {
    grid-template-columns: 1fr;
  }

  .deliverable {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .deliverable:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .brand img {
    width: 236px;
  }

  .nav {
    gap: 14px;
    font-size: 15px;
  }

  .nav__contact,
  .button {
    width: 100%;
  }

  .hero__metrics {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 60px 0;
  }

  .process__item {
    grid-template-columns: 1fr;
  }
}